ductal carcinoma in situ

Paget’s disease of the breast

Paget’s disease is a non-invasive type of breast cancer that involves the nipple and surrounding skin. It is considered non-invasive because the tumour cells are limited to a layer of the skin called the epidermis. Most tumours are believed to start in channels called ducts that run from the nipple to glands deep in the breast. …
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Ductal carcinoma in situ (DCIS) of the breast

Background: Ductal carcinoma in situ (DCIS) is a non-invasive type of breast cancer. The tumour starts from specialized epithelial cells in the glands and ducts of the breast. DCIS is called non-invasive because, after careful microscopic examination, cancer cells were found only on the inside of the ducts and glands. If left untreated, patients with …
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